# Never DM someone

> Add a person to the do-not-message list and cancel their pending DMs. Call it only when the user asked for this in the conversation; never on your own initiative.

`dm.suppress` · write

- **MCP tool:** `dm_suppress`. Catalog: reach it with `find_actions` and `run_write_action`, or turn on the full toolset.
- **REST:** `POST /v1/dm/suppress`
- **CLI:** `xholic dm suppress`
- **Scope:** `write`
- **Plan:** Pro plan or higher
- **Cost:** Free.
- **Rate limit bucket:** `write`
- **Undo:** from the activity log, which runs `dm.unsuppress`

## Input

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `creatorId` | string | Yes | The person's numeric X user id. |
| `reason` | string ≤ 1000 chars or null | No |  |
| `account` | string ≤ 64 chars | No | X account to act on, as @handle. Leave it out to use the connection's default account. |
| `dryRun` | boolean | No | Return exactly what would happen without doing it. |
| `idempotencyKey` | string ≤ 200 chars | No | A unique key for this write. Repeating a call with the same key returns the first result instead of acting twice. |